Solar energy is conquering more territories with increasing industrial application. In Theni district, it has become popular among dhal mills.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/solar-energy-benefits-dhal-mills
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-madurai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/theni-d
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-energy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/western-ghats